HP 9000 is a line of workstation and server computer systems produced by the Hewlett-Packard (HP) Company. The native operating system for almost all HP 9000 systems is HP-UX, which is based on UNIX System V. The HP 9000 brand was introduced in 1984 to encompass several extant technical workstation models launched formerly in the early 1980s.

HP 9000 was a family of technical servers and workstations produced by HP between the 1980s and 2000s, which included several ranges of Unix computers: the HP 9000 700, 800 and others, based on HP PA-RISC, Itanium and other platform.

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The first computer in the HP 9000 series, the 520/9000 (or 9020) was the world’s first 32-bit desktop, putting a level of power associated with large mainframes into a personal system. The heart of the computer was a CPU based on HP 3000 architecture, but with key advances allowing it to reach new performance levels in a smaller package.

From entry-class, single-processor systems to the crown jewel of the family line—the 128-processor HP 9000 Superdome—HP 9000 servers offer a broad range of server configurations built on modular building blocks that allow your IT infrastructure to expand to address your business needs.

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Hewlett-Packard's 9000 Series 300 (HP300) was a range of technical workstations based on Motorola 680x0 microprocessors. Superbly engineered in modular form, and ahead of the curve in terms of functionality, these workstations were used mainly as instrument controllers and for desktop technical computing.

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HP 9000s came in a wide range of models from single-CPU, entry-level machines to high-end Superdome models that supported up to 64 processors and 2TB of memory. The first HP 9000 was introduced...